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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 8. Отображено 8.
13-04-2011 дата публикации

Modified chloroprene rubber V band and method for preparing same

Номер: CN0101602867B
Автор: SHI SHUIXIANG, TENG WEIJIE, SHUIXIANG SHI, WEIJIE TENG
Принадлежит:

The invention discloses a modified chloroprene rubber V band and a method for preparing the same. The rubber matrix of the modified chloroprene rubber V band is prepared by mixing the following raw materials in portion by weight: 100 portions of chloroprene rubber, 20 to 50 portions of acid modification carbon nano-tube, 10 to 20 portions of carbon black, 2 to 10 portions of phosphorus oxide, 12 to 18 portions of sulfur, 0.3 to 5 portions of anti-aging agent, 1 to 5 portions of filler, 3 to 7 portions of softener, 2 to 10 portions of plasticizer, and 1 to 6 portions of promoter. The modified chloroprene rubber V band has good properties of heat resistance, oil corrosion resistance, static resistance and fire retardation, and can be widely applied to mechanical transmission systems under special operation environments in the industries such as coal mines, petroleum, chemical engineering, paper making and the like.

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Номер записи: 1
05-05-2023 дата публикации

Device and method for detecting leakage caused by compression deformation of sealing ring of actuator cylinder

Номер: CN116067572A
Автор: WANG SHU, ZHAO DENGHUI, WAN HONGYU, LIU JIANBO, LI YONGBIN, TANG BIN, LIU YONG, ZU HUICHENG, SUN TONGMING, TENG WEIJIE, WANG YAJUN
Принадлежит:

The invention relates to the technical field of aircraft maintenance tolerance research, in particular to a device and a method for detecting leakage caused by compression deformation of a sealing ring of an actuator cylinder. The detection device comprises a base, an upper sample plate arranged above the base, a lower sample plate located below the upper sample plate and an O-shaped sealing ring located between the upper sample plate and the lower sample plate, the lower sample plate is provided with an inner flow channel, one end of the inner flow channel is communicated with a metering cylinder, the other end of the inner flow channel is provided with an exhaust valve, the base is provided with a lever, and the lever is connected with the metering cylinder. A weight is arranged at one end part of the lever, and the other end part of the lever is connected with the bottom of the lower sample plate. According to the invention, by simulating the actual working condition of the actuator ...

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Номер записи: 2
23-06-2023 дата публикации

Landing gear cabin door lock friction pair size loss rule and use reliability research method

Номер: CN116306093A
Автор: WANG YAJUN, LIU TINGYU, TENG WEIJIE, SUN TONGMING, GU KEYU
Принадлежит:

The invention relates to the technical field of landing gear cabin door folding position lock repair, in particular to a landing gear cabin door lock friction pair size loss rule and use reliability research method, which comprises the following steps of: (1) carrying out statistical analysis on the friction pair size loss rule based on actually measured data; (2) performing theoretical analysis on the sealing performance of the friction pair based on finite element analysis; (3) carrying out experimental verification on the product working performance based on the friction pair size loss rule according to the statistical analysis in the step (1) and the theoretical analysis in the step (2); and (4) determining the tolerance size for reliable use of the friction pair of the undercarriage cabin door lock according to the theoretical analysis in the step (2) and the test verification result in the step (3). By means of the method, the tolerance size for reliable use of the product can be ...

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Номер записи: 3
02-06-2023 дата публикации

Automatic speed measurement method for undercarriage actuator cylinder

Номер: CN116203273A
Автор: WANG YAJUN, SUN TONGMING, GU KEYU, TENG WEIJIE, CUI HAIHUA, TIAN LONGFEI
Принадлежит:

The invention relates to the technical field of undercarriage actuator cylinder repair, in particular to an automatic speed measurement method for an undercarriage actuator cylinder, which comprises the following steps of: (1) constructing a high-speed camera binocular vision system; (2) carrying out high-precision calibration on the binocular vision system of the high-speed camera by utilizing the combined plane target; (3) arranging circular feature mark points on the actuator cylinder, and performing high-precision identification and detection on the circular feature mark points; step (4), carrying out rapid and efficient tracking on the actuator cylinder; (5) establishing a synchronous triggering mechanism of two high-speed industrial cameras in the high-speed camera binocular vision system; and (6) velocity measurement principle analysis and fitting parameter relation derivation are carried out. The method effectively solves the problem that the speed measurement precision and efficiency ...

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Номер записи: 4
16-12-2009 дата публикации

Modified chloroprene rubber V band and method for preparing same

Номер: CN0101602867A
Автор: SHI SHUIXIANG, TENG WEIJIE, SHUIXIANG SHI, WEIJIE TENG
Принадлежит:

The invention discloses a modified chloroprene rubber V band and a method for preparing the same. The rubber matrix of the modified chloroprene rubber V band is prepared by mixing the following raw materials in portion by weight: 100 portions of chloroprene rubber, 20 to 50 portions of acid modification carbon nano-tube, 10 to 20 portions of carbon black, 2 to 10 portions of phosphorus oxide, 12 to 18 portions of sulfur, 0.3 to 5 portions of anti-aging agent, 1 to 5 portions of filler, 3 to 7 portions of softener, 2 to 10 portions of plasticizer, and 1 to 6 portions of promoter. The modified chloroprene rubber V band has good properties of heat resistance, oil corrosion resistance, static resistance and fire retardation, and can be widely applied to mechanical transmission systems under special operation environments in the industries such as coal mines, petroleum, chemical engineering, paper making and the like.

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Номер записи: 5
14-07-2023 дата публикации

Device and method for measuring internal movable clearance of hydraulic plunger pump

Номер: CN116428946A
Автор: LIU TINGYU, TENG WEIJIE, WANG YAJUN, LI YONGBIN, ZHANG FENG, GUO XUEPING
Принадлежит:

The invention relates to the technical field of hydraulic plunger pump repair, in particular to a hydraulic plunger pump internal movable clearance measuring device and a measuring and adjusting method. The measuring device comprises a sleeve with a reference seat, a digital display caliper installed in the sleeve, a digital display meter head arranged on the sleeve, and a measuring head located at the bottom of the sleeve and connected with the digital display caliper. The sleeve is further provided with a rotating screw used for positioning the digital display caliper after the digital display caliper moves. The hydraulic plunger pump internal movable clearance measuring device and the measuring adjusting method have the advantages of being precise in measuring result, simple in method, convenient to use and the like, measuring time is saved, working efficiency is improved, and the problem that an existing electromagnet is installed at the bottom of a shell installation hole and cannot ...

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Номер записи: 6
26-05-2023 дата публикации

Device and method for testing inner leakage of actuator cylinder under multiple working conditions

Номер: CN116164903A
Автор: WANG SHU, TANG BIN, ZHAO DENGHUI, LI YONGBIN, LIU YONG, ZU HUICHENG, WAN HONGYU, SUN TONGMING, TENG WEIJIE, WANG YAJUN
Принадлежит:

The invention relates to the technical field of actuator cylinder performance testing, in particular to a testing device and method for the inner leakage amount of an actuator cylinder under multiple working conditions, and the testing device comprises a metering cylinder connected with an end cover through a hose, and a crank sliding block mechanism which is arranged on a first test bench, is hinged to a piston rod, and is used for providing driving force for reciprocating motion. The method comprises the following specific steps: S1, sealing; s2, moving; s3, wear leakage; the actual working condition of the actuator cylinder can be simulated, the leakage amount of the rubber ring can be accurately measured, meanwhile, the change of the leakage amount of the rubber ring under various different working conditions can be measured, the big problem that the leakage amount is difficult to measure due to the fact that liquid is left in the cylinder wall and the piston rod in the leakage process ...

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Номер записи: 7
25-04-2023 дата публикации

Hydraulic plunger pump repair work station and repair process

Номер: CN116000743A
Автор: WANG YAJUN, SUN TONGMING, TENG WEIJIE, GU KEYU, XU CHENYANG, ZHANG LIN
Принадлежит:

The invention relates to the technical field of hydraulic plunger pump repair, in particular to a hydraulic plunger pump repair work station and a repair process. The repairing work station comprises a to-be-repaired product workbench, a roughness detection system, a flatness detection system, an ultrasonic automatic quick washing system, a workpiece grinding system, a qualified product workbench and a three-degree-of-freedom manipulator action system which are sequentially distributed along a straight line; and the control system is in signal connection with the roughness detection system, the flatness detection system, the ultrasonic automatic quick washing system, the three-degree-of-freedom manipulator action system and the workpiece grinding system. According to the invention, the automatic grinding detection requirements of the precision parts of the hydraulic plunger pump on site can be effectively met; the grinding and repairing device can be used for grinding and repairing similar ...

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Номер записи: 8